package com.itheima.test2;

public class Test {

    public static void main(String[] args) {

    }

}
interface Inter{
        public static final int num=10;
        public abstract void sing();

}
class InterImpl extends Fu implements Inter{

    public InterImpl(){
        super();
    }

    @Override
    public void sing() {
        System.out.println("后来");
    }
}
class Fu{

}